VulnerabilityModified
CVE-2017-9343
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer.
HIGH 7.5EPSS 3.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.24% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- wireshark/wireshark
- Source
- cve@mitre.org
EPSS 3.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/98797Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038612Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1678Issue Tracking, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13725Issue Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=27556320b41904716b9c9f73ef8f4fe705d1e669
- https://www.wireshark.org/security/wnpa-sec-2017-30.htmlVendor Advisory
- http://www.securityfocus.com/bid/98797Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038612Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1678Issue Tracking, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13725Issue Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=27556320b41904716b9c9f73ef8f4fe705d1e669
- https://www.wireshark.org/security/wnpa-sec-2017-30.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.